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postgres-impl-query-performance-toolkit

Analyze PostgreSQL EXPLAIN plans to diagnose slow queries and lock waits.

Updated May 19, 2026
Search Tags:#postgresql#query performance#explain plan#slow query#lock wait
One-click install
npx skills add https://github.com/Impertio-Studio/PostgreSQL-Claude-Skill-Package --skill postgres-impl-query-performance-toolkit
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: postgres-impl-query-performance-toolkit
Source: https://github.com/Impertio-Studio/PostgreSQL-Claude-Skill-Package/tree/main/skills/source/postgres-impl/postgres-impl-query-performance-toolkit
Command: npx skills add https://github.com/Impertio-Studio/PostgreSQL-Claude-Skill-Package --skill postgres-impl-query-performance-toolkit

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides expert diagnostics for slow PostgreSQL queries, helping users understand and resolve performance issues quickly.

Core Features & Use Cases

  • EXPLAIN Analysis: Read and interpret EXPLAIN plans for optimal query performance.
  • Performance Diagnostics: Diagnose and fix slow queries, lock waits, and other performance bottlenecks.
  • Use Case: If a query is running slowly, use this Skill to analyze its EXPLAIN plan, identify issues like stale statistics or missing indexes, and apply the appropriate fixes.

Quick Start

Analyze the performance of a slow query using the 'postgres-impl-query-performance-toolkit' skill.

Frequently Asked Questions about postgres-impl-query-performance-toolkit

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I analyze an EXPLAIN plan for a slow PostgreSQL query?▼

To analyze an EXPLAIN plan for a slow PostgreSQL query, use this Skill to read and interpret execution plans, identify performance bottlenecks like missing indexes, and apply fixes.

Why does my PostgreSQL query have lock waits and how can I resolve them?▼

PostgreSQL query lock waits occur due to concurrent transactions blocking each other. This Skill diagnoses lock wait bottlenecks and provides strategies to resolve them for optimal performance.

What's the best way to diagnose slow PostgreSQL query performance?▼

The best way to diagnose slow PostgreSQL query performance is to examine EXPLAIN plans and identify issues like stale statistics. This Skill provides expert diagnostics to quickly resolve bottlenecks.

Do I need a specific PostgreSQL version to interpret query execution plans?▼

Yes, you need PostgreSQL 15, 16, or 17 to use this Skill. It also requires existing knowledge of query execution and indexing strategies to effectively interpret EXPLAIN plans.

Can I fix missing indexes and stale statistics in PostgreSQL?▼

Yes, you can fix missing indexes and stale statistics by analyzing EXPLAIN plans. This Skill identifies these specific issues within your query execution and applies the appropriate optimizations.

What causes slow PostgreSQL queries despite having indexes?▼

Slow PostgreSQL queries can result from stale statistics or lock waits even with indexes present. This Skill analyzes EXPLAIN plans to pinpoint exact execution bottlenecks and recommend fixes.

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